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nfsd: nfsd_file cache entries should be per net namespace

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Ensure that we can safely clear out the file cache entries when the
nfs server is shut down on a container. Otherwise, the file cache
may end up pinning the mounts.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust
2019-09-10 09:23:41 -04:00
committed by J. Bruce Fields
parent 2b86e3aaf9
commit 5e113224c1
4 changed files with 25 additions and 14 deletions
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fs/nfsd/export.c
+1 -1
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@@ -240,7 +240,7 @@ static void expkey_flush(void)
* destroyed while we're in the middle of flushing.
*/
mutex_lock(&nfsd_mutex);
nfsd_file_cache_purge();
nfsd_file_cache_purge(current->nsproxy->net_ns);
mutex_unlock(&nfsd_mutex);
}